Also, Dom, you can't always only buff the guns that are weak. It would be like adding 3 more different types of AKs into the game.
Balancing means adjusting into both directions and ending up with guns that have cons and pros depending on the playstyle of the individual player
and not having guns that can be used by any noob to mow down lines of enemies.

How many ranked players did it take to deal with a simple RDM? 3-4 Trusteds and a Moderator